class_docstr: Patch a callback output value
  
  Act like a proxy of the output prop value on the frontend.
  
  Supported prop types: Dictionaries and lists.
code: def __iter__(self):
      raise TypeError(
          "Patch objects are write-only, you cannot iterate them."
      )
  
label_desc: Use image node_id 15 for calling the Patch obj's underlying member method code with example usage: obj.__iter__() without return types